Life in london..10 points easy?

I'm planning to move to england after graduation in june. 1.what is a quid? 2. What job opportunities are in england? 3. Are there really market traders in the east end?(i watch eastenders on youtube and am curious). 4. how are the african americans treated there? 5. where is the best and cheapest to live? 6. as a young african american would it be hard to find a job on a soap opera?and if so what qualifications would i need? 7. what is a ibiza? Thanks in advance to everyone.